外研版 (新标准)八年级下册Unit 3 Language in use背景图课件ppt

这是一份外研版 (新标准)八年级下册Unit 3 Language in use背景图课件ppt，文件包含Unit3ppt、Unit3--练习doc、Unit3--学案doc、Unit3--教案doc、Unit3Activity7mp3、Unit3Activity7截取mp3等6份课件配套教学资源，其中PPT共48页， 欢迎下载使用。
1. T learn present perfect tense with “just”, “yet”, “already”2. T practise the use f present perfect tense with just, yet, already3. T learn the learning strategy f wrd map
Learning bjective
the slar system
space travel
辨析discver find 与 lk fr
1.Clumbus __________ America but he did nt explre the new cntinent.2.I am _____________ a jb, but it seems a little difficult fr yu _______ yur phne?
lking fr
辨析late 与 latest
1.After getting up in the mrning, my mtheris used t reading the ___ newspaper. A late B lately C latest2. He gt up __. A late B lately C latest
辨析n ne 与 nne
1.____ f the reasns was true. Yu're lying.A Nne B N ne C All2.-- Wh will g with Mr. Wang? --____. They are all busy this week.A Nne B N ne C Sme ne
辨析already yet just ever
在现在完成时的句子中，already(已经)、just(刚刚)常用于肯定句.already, never, ever, just 一般置于助动词have/has之后，过去分词之前。yet(还、尚、仍然)常用于否定句和疑问句。
现在完成时的结构：has/have + dne (动词过去分词)
1. Linging ______ written a stry abut the cmpetitin. A. have B. has C. is 2. I have ______ lts f speaking cmpetitins, but I lst. A. helped B. stpped C. entered
3. Julie’s father _____ t Lndn last mnth. He _____ there three times. A. went; had gne B. has gne; has been C. went; has been D. has been; had gne 4. Julia isn’t ging t the cinema with us because she ______ the film. A. sees B. saw C. will see D. has seen
现在完成时与一般过去时的区别 在使用现在完成时的时候，要注意与一般过去时的区别。现在完成时重点在于已完成动作对现在的影响。而一般过去时则表示在过去某一具体时间发生的事情。例如：I have already finished my hmewrk. I finished it an hur ag. 我已经完成家庭作业了，一小时前完成的。
用所给词的适当形式填空。
---______ yu ever _______(buy) a new dress? --Yes, I ______(buy) it last week.--Where ______yu ________(buy) it?---I _______(buy) it in a supermarket?
have been t +地点，表示“已经去过某地” 现在已经回来 。例：Laura has never been t China befre.have gne t +地点，表示“已经去了某地”现在还没有回来，此时可能在途中或已经到了目的地。 例：—Hell. Can I speak t Jhn, please? —Srry, he’s nt in. He has gne t the park.
have/has been t have/has gne t 的用法
The spaceship has gne t Mars. It has gne there, but it has nt cme back yet.Astrnauts have been t the mn. They went there and then they came back.
Lk at these sentences.
1. Astrnauts have been / gne t the mn and returned.2. The spaceship has been / gne int space. It will travel fr ten days.3. The astrnaut has been / gne t the space statin. He will cme back tmrrw.
Nw chse the crrect answer.
Cmplete the sentences with the expressins in the bx.
1. A spaceship ___________ t Mars. It is cming back t the earth next year.
2. Lts f astrnauts ___________ t the space statin. They fund it very interesting.3. Sme astrnauts ____________ t the mn twice.4. Tw British astrnauts __________ t the space statin. They will cme back in January.
Nicky: I’ve just (1) ________ (watch) a great TV prgramme abut space. Did yu knw that scientists have (2) __________ (discver) water n Mars? Bill: Yes, I did. And scientists (3) __________ (try) t find life n Mars nw.
Cmplete the cnversatin with the crrect frm f the verbs in brackets.
Nicky: Yes, they’re lking fr life but they (4) _____________ (nt find) anything yet. Bill: There were sme new phts f Mars in the newspaper tday. (5) _______ yu ______ (see) them yet?Nicky: Yes. They’re amazing!
haven’t fund
Have seen
Rle-play the cnversatin in Activity 4.
Cmplete the email with the wrds in the bx.
FROM: Liu DanTO: Li FangSUBJECT: I’ve fund a great bk.
Dear Li Fang,I’ve (1) ________ finished reading a great bk at schl. I haven’t (2) _____ anything as gd as that fr a lng time! It’s a stry abut the slar system. In the bk, the writer imagines that astrnauts have (3) _______ t Mars. I’ve (4) ________ thught abut that befre and I think it’s very interesting.
I haven’t (5) ____ anyne famus in my life but I hpe ne day I can meet an astrnaut. I’ve (6) _______ t a Chinese astrnaut fr mre infrmatin abut space and his experience f space travel. I hpe he will write back. He hasn’t (7) ______. Maybe he is t busy. I’m still waiting.Best wishes, Liu Dan
Listen and cmplete the ntes.1. The astrnaut jined CNSA _______ years ag.2. He has flwn in a spaceship _______ times.3. He felt _________ when he was in the spaceship.
4. He has been t the space statin _________.5. The earth was blue and very ___________ when he saw it frm the space statin.6. He decided t be an astrnaut because he has always been __________ in space.
Tapescript:Interviewer: Tday’s prgramme is abut space travel. I’m talking t an astrnaut frm CNSA. Hell, we’re interested t hear abut yur experiences in space. When did yu jin CNSA?Astrnaut: Six years ag.Interviewer: And hw many times have yu flwn in a spaceship?Astrnaut: Tw times.
Interviewer: Hw did yu feel when yu were in the spaceship?Astrnaut: I enjyed it. It was very exciting.Interviewer: Have yu wrked n the space statin?Astrnaut: Yes, I have. I’ve already been there twice.Interviewer: Have yu seen the earth frm the space statin?Astrnaut: Yes, I have. It’s very blue, and very beautiful.
Interviewer: Hw wnderful! Hw did yu feel when yu saw it?Astrnaut: I was s happy. I wanted t cry.Interviewer: I’m sure. Tell me, why did yu decide t becme an astrnaut?Astrnaut: I’ve always been interested in space. It’s s exciting!Interviewer: D yu think there’s life n ther planets?
Astrnaut: Yes, I d. The universe is s big. There are s many galaxies, and s many slar systems.Interviewer: But we haven’t fund anything yet.Astrnaut: We’ve nly just begun t lk. Give us time!Interviewer: (laughing) Anther hundred years maybe? Well, thank yu fr talking t us. It’s been great t talk t yu.Astrnaut: Thank yu.
Cmplete the wrd map with the wrds and expressins in the bx.
space travel
slar system
space statin
____________________________________________________________________________________________________________________________________
Nw add mre wrds abut space t the wrd map and write five sentences.
We’ve just read a stry abut a space statin near the sun.Astrnauts haven’t been t the sun, because it’s t ht.
______________________________________________________________________________________________________________________________________________________________________________________________________
Spaceships are travelling in ur slar system at the mment.I am interested in space and the stars and planets in ur galaxy.I think scientists will send astrnauts t Mars ne day.
Cmplete the passage with the crrect frm f the wrds in the bx.
In July 1969, Neil Armstrng became the first (1) __________ t walk n the (2) ______. Peple all arund the wrld watched their televisins and waited fr the (3) ______ t (4) ________ the earth.
We have nw (5) __________ a lt mre abut ur slar system, and we have sent (6) __________ t Mars, but n ne has walked n that planet (7) ________. But I believe ne day smene will!
In the universe, as we all knw,there is the sun, the mn, the earth and a g earth and many gd stars. Thrugh ur gegraphy lessns, we knw the earth ges arund the sun, and the mn ges arund the earth. We have day and night because the earth keeps turning all the time. When ur part f the earth turns t the sun, it is day. When ur part f the earth turns away frm the sun, it is night.
Just because the mn is clser t the earth than the sun, it lks much bigger than the sun. Big things will lk smaller when they are further, and small things als lk bigger when they are nearer.
The sun is big enugh t give ut very strng light. The mn can't give any light at all, but it lks quite bright, t. Why? In fact, the light frm the mn cmes frm the sun. The mn lks much bigger and brighter than the stars. But actually (事实上) the stars are much bigger and brighter than the mn. They lk smaller than the mn als because they are further away frm the earth.
There are many ther planets in the universe. But f all the planets, nly n the earth there are living things and peple can nly live n the earth, t. But at 9:00 a.m. n Octber 15th，2003, Chinese pilt Yang Liwei was sent up t space. He stayed there fr 21 hurs. It was the first time fr Chinese t get int space.
“神州五号”(Shenzhu-5)
1.科学家认为地球上的生命已有上亿年的历史。2.他们已经发送宇宙飞船到火星上，但仍然没有在火星上发现生命。
Scientists think that there has been life n the earth fr hundreds f millins f years.
They have sent spaceships t Mars. But they haven't fund life n Mars.
3.一些宇航员已经去过月球两次。4.我认为有一天科学家将送宇航员去火星。
Sme astrnauts have been t the mn twice.
I think scientists will send astrnauts t Mars ne day.
Mdule task:
Making a pster abut space travel
☺ Wrk in grups. Chse a subject, fr example, the first mn landing r China’s manned space travels. Lk fr sme phts and infrmatin abut it.
☺ Write captins fr the phts and use the infrmatin yu fund in Activity 10 t write a descriptin f each ne. ☺ Give yur pster a title. Put it up fr yur classmates t see.